int speedTest(){
clock_t t0,t1,dt,bestTime=0xFFFFF;
unsigned int crc = 0;
nm64s* buf[4]={buffer0, buffer1, buffer2, buffer3};
NmppsFFTSpec spec;
nmppsFFT8192FwdInit(&spec,SKIP_SINCOS,(nm64s*)buffer0,(nm64s*)buffer0,(nm64s*)buffer0,(nm64s*)buffer0,(nm64s*)buffer0,(nm64s*)buffer0);
int bestRoute;
for(int i0=0; i0<4; i0++){
nm32sc* src=(nm32sc*)buf[i0];
for(int i1=0; i1<4; i1++){
nm32sc* dst=(nm32sc*)buf[i1];
for(int i2=0; i2<4; i2++){
spec.buffer[0]=(nm32sc*)buf[i2];
for(int i3=0; i3<4; i3++){
spec.buffer[1]=(nm32sc*)buf[i3];
for(int i4=0; i4< 4; i4++){
spec.fftTable[0]=buf[i4];
for(int i5=0; i5<4; i5++){
spec.fftTable[1]=buf[i5];
for(int i6=0; i6< 4; i6++){
spec.fftTable[2]=buf[i6];
for(int i7=0; i7<4; i7++){
spec.fftTable[3]=buf[i7];
if (memoryOverflow(i0, i1, i2, i3, i4, i5, i6, i7)) continue;
t0=clock();
dt=nmppsFFT8192Fwd(dst,dst,&spec);
t1=clock();
dt =t1-t0;
if (dt<=bestTime){
bestTime=dt;
printf("%d%d%d%d%d%d%d%d\t%d\n",i0,i1,i2,i3,i4,i5,i6,i7, dt);
}
//if (dt<155000)
// printf("%d%d%d%d%d%d%d%d\t%d\n",i0,i1,i2,i3,i4,i5,i6,i7, dt);
}
}
}
}
}
}
}
}
printf("Best time=%d; %d/8192/2=%f ; Best route = %07x \n",bestTime,bestTime,float(bestTime)/8192/2,bestRoute);
return bestTime;
}
Pointer fromAVAIL()
{
assert(initialized);
if (freeList == NIL)
// Out of memory. Try to recover.
memoryOverflow();
Pointer p = freeList;
freeList = memory[freeList].nextFree;
return p;
}
